/Engine/Source/Runtime/AssetRegistry/Public/AssetRegistry/IAssetRegistry.h
Gets asset data for all assets with the supplied class
bool GetAssetsByClass ( [FTopLevelAssetPath](API\Runtime\CoreUObject\UObject\FTopLevelAssetPath) ClassPathName, [TArray](API\Runtime\Core\Containers\TArray)< [FAssetData](API\Runtime\CoreUObject\AssetRegistry\FAssetData) > & OutAssetData, bool bSearchSubClasses ) const